1301820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 3927840

約数和(自身を除く): 2626020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1669, 3338, 5007, 6676, 8345, 10014, 16690, 20028, 21697, 25035, 33380, 43394, 50070, 65091, 86788, 100140, 108485, 130182, 216970, 260364, 325455, 433940, 650910, 1301820]

約数ペア:

[(1, 1301820), (2, 650910), (3, 433940), (4, 325455), (5, 260364), (6, 216970), (10, 130182), (12, 108485), (13, 100140), (15, 86788), (20, 65091), (26, 50070), (30, 43394), (39, 33380), (52, 25035), (60, 21697), (65, 20028), (78, 16690), (130, 10014), (156, 8345), (195, 6676), (260, 5007), (390, 3338), (780, 1669)]